Bertrand, J. T., Knowles, J. C., & Magnani, R. J. (1994). Handbook of indicators for family planning program evaluation. The Evaluation Project, Carolina Population Center, University of North Carolina.
Cita Chicago (17th ed.)Bertrand, Jane T., James C. Knowles, i Robert J. Magnani. Handbook of Indicators for Family Planning Program Evaluation. Carolina: The Evaluation Project, Carolina Population Center, University of North Carolina, 1994.
Cita MLA (9th ed.)Bertrand, Jane T., et al. Handbook of Indicators for Family Planning Program Evaluation. The Evaluation Project, Carolina Population Center, University of North Carolina, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.